import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css'// progress bar style
import { getToken } from '@/utils/auth' // getToken from cookie
import Layout from '@/views/layout/Layout'
const _import = require('@/router/_import_' + process.env.NODE_ENV)
NProgress.configure({ showSpinner: false })// NProgress Configuration

// permissiom judge function
function hasPermission(roles, permissionRoles) {
  if (roles.indexOf('admin') >= 0) return true // admin permission passed directly
  if (!permissionRoles) return true
  return roles.some(role => permissionRoles.indexOf(role) >= 0)
}

const whiteList = ['/login', '/authredirect']// no redirect whitelist

router.beforeEach((to, from, next) => {
  var asyncRouterMap=[];
  var menu;
  NProgress.start() // start progress bar
  if (getToken()) { // determine if there has token
    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done() // if current page is dashboard will not trigger	afterEach hook, so manually handle it
    } else {
      debugger
      console.log(store.getters.roles.length )
      if (store.getters.roles.length === 0) { // 判断当前用户是否已拉取完user_info信息
        store.dispatch('GetUserInfo').then(res => { // 拉取user_info
          var rolesList=store.getters.menuList
            for(let k=0;k<rolesList.length;k++){
              if(rolesList[k].menuName){
                asyncRouterMap='admin'
                break;
              }
              for(let i=0;i<rolesList[k].childrenMenuList.length;i++){
                  menu={
                  default:"true",
                  path: rolesList[k].childrenMenuList[i].menuUrl,
                  component: Layout,
                  redirect: 'noredirect',
                  //name: rolesList[k].childrenMenuList[i].menuName,
                  meta: {
                    title: rolesList[k].childrenMenuList[i].menuName,
                    icon: 'component'
                  },
                  children:[]
                };
                if(rolesList[k].childrenMenuList[i].childrenMenuList.length>0){
                  for(var j=0;j<rolesList[k].childrenMenuList[i].childrenMenuList.length;j++){
                      var menuChildren={
                            path: rolesList[k].childrenMenuList[i].childrenMenuList[j].routeUrl,
                            component: _import(  rolesList[k].childrenMenuList[i].childrenMenuList[j].menuUrl),
                            //name:  rolesList[k].childrenMenuList[i].childrenMenuList[j].menuName,
                            meta: { title: rolesList[k].childrenMenuList[i].childrenMenuList[j].menuName }
                          }
                      menu.children.push(menuChildren);
                  }
                }
                asyncRouterMap.push(menu);
              }
          };
          //const roles = res.data.roles // note: roles must be a array! such as: ['editor','develop']
          store.dispatch('GenerateRoutes', { asyncRouterMap }).then(() => { // 根据roles权限生成可访问的路由表
            console.log(store.getters.addRouters)
            router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
            next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
          })
        }).catch(() => {
          store.dispatch('FedLogOut').then(() => {
            Message.error('Verification failed, please login again')
            next({ path: '/login' })
          })
        })
      } else {
        next()
        /*// 没有动态改变权限的需求可直接next() 删除下方权限判断 ↓
        if (hasPermission(store.getters.roles, to.meta.roles)) {
          next()//
        } else {
          next({ path: '/401', replace: true, query: { noGoBack: true }})
        }
        // 可删 ↑*/
      }
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) { // 在免登录白名单，直接进入
      next()
    } else {
      next('/login') // 否则全部重定向到登录页
      NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
    }
  }
})

router.afterEach(() => {
  NProgress.done() // finish progress bar
})
